10 Rotational Motion ay-1 - 1 Chapter 10 Rotational Motion...

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Unformatted text preview: 1 Chapter 10 Rotational Motion 2 3 10-1 Angular Quantities l = R Circle = 360 o = 2 rad = 1 rev l = R 4 Tangential velocity v = l t ,______ = t ,_____ l = R v = R a tan = dv dt = R d dt = R _______ = d dt a rad = v 2 R 4 Tangential velocity v = l t ,______ = t ,_____ l = R v = R a tan = dv dt = R d dt = R _______ = d dt a rad = v 2 R 5 The Vector Nature of Angular Quantities and are referred to a pseudo vectors . The only unique direction associated with rotation is along the axis of rotation. Which way is UP ? Use the right hand rule. 6 10-3 Kinematic Equations for Uniformly Accelerated Rotational Motion Angular = t + t 2 = + t 2 = 2 + 2 Linear x = v o t + at 2 v = v o + at v 2 = v o 2 + 2 ax These equations are valid only for constant a and . 7 10-4 Torque Torque ( ) deals with the dynamics of rotational motion. In rotational motion TORQUE is analogous to FORCE in linear motion. That is, force through a distance F 8 Torque = RF = RF sin * Torque is a vector (TBD in Chapter 11)....
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10 Rotational Motion ay-1 - 1 Chapter 10 Rotational Motion...

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